Review Detail of Legendary_Person in Key of Light(Transfer)

I am back with another detailed review before I begin to rate and criticise, I would first like to explain what this novel is all about. Mc is someone teleported to DxD, he is the partner of the crazy priest with the sole goal of survival in his mind. Mc follows the power system of "Lord of The Mysteries", " Wheel of fortune Pathway" to be specific. The story starts with Mc having average level power with a few basic perks while also gaining experience with the crazy priest, like the Mc levels up the sequence, he unlocks more abilities, he is very and I mean VERY op in using [Human Magic] due to the abilities provided by his pathway. He tries to stay away from plot as much as he can while grinding his powers, he is smart and careful, as a beyonder should be, he also actively avoids trouble. He has also gained the interest of Nyx, though the time of their interaction is not much, a chapter or two. The novel also contains elements, not from DxD world. Now, we got that out of the way, let's see the stats. Character development (4.8/5):-Very nicely portrayed, his personality is consistent, the Mc behaves and acts like a human with decent intelligence. Overall, his character is very realistic. Story Development (4.7/5):-Quite nice, better than most especially since the plot of the novel is totally original and very entertaining. The only problem with the development is that Mc suddenly gets a lot of power-ups, like too much so to say, which isn't a bad thing but the increase in power feels a bit absurd, especially considering the beginning of the story. World background (4.3/5):-Decent world background, not overly explained but still lacking in-depth, I like the approach that the author is using, introducing little elements so that he can easily write about them, one of the reasons why people drop novels is because of too many elements and too little depth of elements. My personal thoughts (4.6/5):-This just might be the best DxD fanfic on this platform, and believe me, I have read a lot of them, a LOT. Things that can be improved, well just focus on adding more depth to the powers he already possesses.